What is Federal Supply Class 6680?

FSC 6680 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 6680) in the USA for supply items codified in the category of Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments.

What is NATO Supply Classification Class 6680?

NSC 6680 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 6680 in the USA) for supply items codified in the category of Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments.

Which Federal Supply Group is FSC 6680 in?

FSC 6680 is in Federal Supply Group (FSG) 66 which contains Instruments and Laboratory Equipment.

Which NATO Supply Classification Group is NSC 6680 in?

NSC 6680is in NATO Supply Classification Group (NSG) 66 which contains Instruments and Laboratory Equipment.

What is a Liquid Sight Indicator?

A Liquid Sight Indicator (INDICATOR,SIGHT,LIQUID) is an item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes INDICATOR, LIQUID QUANTITY and INDICATOR, RATE OF FLOW.

What is a Liquid Quantity Transmitter?

A Liquid Quantity Transmitter (TRANSMITTER,LIQUID QUANTITY) is an instrument designed to measure and transmit information relative to the quantity of liquid contained in a tank, vessel, chamber, or the like. Excludes SWITCH, LIQUID LEVEL.

What is a Liquid Quantity Indicator?

A Liquid Quantity Indicator (INDICATOR,LIQUID QUANTITY) is an indicator which indicates the amount of liquid contained in a tank, vessel, chamber, and like items.

What is a Liquid Volumetric Positive Displacement Meter?

A Liquid Volumetric Positive Displacement Meter (METER,VOLUMETRIC POSITIVE DISPLACEMENT,LIQUID) is an instrument that measures, indicates, and/or records liquid volume by counting the number of times the measuring chamber is filled by a liquid.

What is a Self-Generating Electrical Tachometer?

A Self-Generating Electrical Tachometer (TACHOMETER,ELECTRICAL,SELF-GENERATING) is a tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.

What is a Fixed Mounting Mechanical Tachometer?

A Fixed Mounting Mechanical Tachometer (TACHOMETER,MECHANICAL,FIXED MOUNTING) is a tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.

What is a Demand Oxygen Regulator?

A Demand Oxygen Regulator (REGULATOR,OXYGEN,DEMAND) is a regulator designed to deliver pure breathing oxygen automatically when the user inhales, within a maximum operating altitude of 35,000 feet (10,668 m).

What is a Differential Pressure Fluid Flow Indicating Meter?

A Differential Pressure Fluid Flow Indicating Meter (METER,FLUID FLOW INDICATING,DIFFERENTIAL PRESSURE) is an instrument designed to measure the rate of flow of a fluid through a pipeline, based on the exact relation which differential pressure bears to fluid velocity, and this measurement indicated on a graduated scale by a pointer directly connected to a mercury or oil sealed bell or a bellows. It may or may not have a totalizing integrator register built in. Excludes: METER, FLOW RATE INDICATING; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; and METER, FLUID FLOW INDICATING, ULTRASONIC.

What is an Electrical Tachometer Indicator?

An Electrical Tachometer Indicator (INDICATOR,ELECTRICAL TACHOMETER) is an instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

What is a Speedometer?

A Speedometer is an instrument for measuring and indicating in miles or kilometers per hour the speed at which a vehicle is being driven. It measures and records distance traveled by means of an odometer. It does not include SHAFT ASSEMBLY, FLEXIBLE.

What is a Rate Of Flow Indicator?

A Rate Of Flow Indicator (INDICATOR,RATE OF FLOW) is an indicator which indicates the rate of flow of a fluid.

What is an Electrical Counter?

An Electrical Counter (COUNTER,ELECTRICAL) is an instrument which is actuated by electrical pulses and designed to register and total numerically in units proportional to its applied pulses. See also COUNTER, RECIPROCATING and COUNTER, ROTATING.

What is a Float Type Liquid Quantity Gage?

A Float Type Liquid Quantity Gage (GAGE,LIQUID QUANTITY,FLOAT TYPE) is a gage which indicates and measures the amount of liquid in a tank, vessel, chamber or the like.

What is a Flat Liquid Sight Indicator Glass?

A Flat Liquid Sight Indicator Glass (GLASS,LIQUID SIGHT INDICATOR,FLAT) is an item designed to be attached to the liquid chamber of an INDICATOR, SIGHT, LIQUID permitting the visual examination of the amount of liquid in a reservoir, pipe or the like.

What is a Tachometer Generator?

A Tachometer Generator (GENERATOR,TACHOMETER) is a generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.

What is a Liquid Impeller Type Meter?

A Liquid Impeller Type Meter (METER,IMPELLER TYPE,LIQUID) is an instrument designed to measure liquid volume by means of a propeller or turbine type impeller which rotates in the fluid in direct ratio to the amount of fluid flowing through the meter.

What is a Flexible Shaft Assembly?

A Flexible Shaft Assembly (SHAFT ASSEMBLY,FLEXIBLE) is an item consisting of a casing with fittings and attachments on each end and a spirally wound wire core with formed end(s) and/or crimped on end fittings. It is designed to transmit rotary motion around bends from a motor or other power source to drive various types of equipment, such as tachometers, speedometers, remote controls, instruments, and the like, which are located at an angle and/or distance from the power source. See also CONTROL ASSEMBLY, PUSH-PULL.

What is a Venturi Meter?

A Venturi Meter is a tube whose internal surface includes two truncated cones connected to each other at the small ends by a very short cylinder. It is installed in fluid pipe lines and is normally used to measure the flow of liquid. It may include pressure indicators and/or connections.

What is an Angular Electrical Accelerometer?

An Angular Electrical Accelerometer (ACCELEROMETER,ELECTRICAL,ANGULAR) is an accelerometer which produces an output current directly equated to the rate of velocity change in its inherent line of sensitivity related to the direction of the angular movement of the object to which it is attached, or of which it is a part.

What is a Linear Electrical Accelerometer?

A Linear Electrical Accelerometer (ACCELEROMETER,ELECTRICAL,LINEAR) is an accelerometer which produces an output current directly equated to the rate of velocity change in its inherent line of sensitivity related to the direction of the foward movement of the object to which it is attached, or of which it is a part.

What is a Liquid Level Gage Rod?

A Liquid Level Gage Rod (GAGE ROD,LIQUID LEVEL) is a thin metal strip, of various cross-sectional shapes, having graduations on one end and a handle on the opposite end. It is designed to be inserted into an engine, pump, or compressor crankcase, transmission, gearcase, fuel tank, or the like, to determine the level of the liquid. For a gage rod with an integral cap, or breather, see GAGE ROD-CAP, LIQUID LEVEL, and GAGE ROD-BREATHER, LIQUID LEVEL. For items designed to measure the liquid level of bulk petroleum tanks, see GAGE STICK, PETROLEUM.

What is a Liquid Level Gage Rod-Cap?

A Liquid Level Gage Rod-Cap (GAGE ROD-CAP,LIQUID LEVEL) is a thin metal strip, of various cross-sectional shapes, having graduations on one end and must have a cap on the opposite end, and may have a handle. It is designed to be inserted into an engine, pump, or compressor crankcase, transmission, gearcase, fuel tank, or the like, to determine the level of the liquid. For items with an integral breather, see GAGE ROD-BREATHER, LIQUID LEVEL and items without a cap or breather, see GAGE ROD, LIQUID LEVEL. For items designed to measure the liquid level of bulk petroleum tanks, see GAGE STICK, PETROLEUM.

What is an Electronic Tachometer?

An Electronic Tachometer (TACHOMETER,ELECTRONIC) is a tachometer using solid state and/or vacuum tube circuitry.

What is a Rotating Counter?

A Rotating Counter (COUNTER,ROTATING) is an instrument actuated by means of a rotating shaft and designed to register and total numerically in units proportional to one complete revolution of its shaft. It may have a fixed type mounting or designed to be hand held. See also COUNTER, ELECTRICAL.

What is a Liquid Level Switch?

A Liquid Level Switch (SWITCH,LIQUID LEVEL) is a switch which is actuated by a float or sensing device(s) to control liquid level and/or actuate visual or audible warning systems. It may include a relay controlled by the switch element. Excludes TRANSMITTER,LIQUID QUANTITY.

What is a Liquid Level Switch Float?

A Liquid Level Switch Float (FLOAT,SWITCH,LIQUID LEVEL) is a buoyant item of various shapes and sizes, usually used in conjunction with another item such as a stem or rod to actuate a switch.

What is a Flow Rate Indicating Meter?

A Flow Rate Indicating Meter (METER,FLOW RATE INDICATING) is an instrument for measuring the rate of flow of a fluid through a pipeline. This measurement is indicated on a graduated scale either by means of a float confined in a tube, or pointer connected to a vane, or piston and spring or the like. Excludes METER, FLUID FLOW INDICATING, DIFFERENTIAL PRESSURE; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; and METER, FLUID FLOW INDICATING, ULTRASONIC.

What is a Metering Tube?

A Metering Tube (TUBE,METERING) is a tapered item designed specifically for visually measuring the flow rate of liquids and gases under varying conditions. It may or may not have reference or indicator markings. Excludes TUBING, GLASS.

What is an Angular Velocity Transducer?

An Angular Velocity Transducer (TRANSDUCER,VELOCITY,ANGULAR) is an item which translates angular velocity of a machine rotating element and provides an electrical signal for application to equipment such as emittor, indicator, recorder and the like.It does not include the equipment.Excludes:TRANSDUCER, MOTIONAL PICKUP.

What is a Round Liquid Sight Indicator Glass?

A Round Liquid Sight Indicator Glass (GLASS,LIQUID SIGHT INDICATOR,ROUND) is a tubular item of glass which may have reference and/or indicator markings which permits the visual examination of the amount of liquid in a tank or reservoir, pressure vessel, still, pipe tubing line and the like. Is part of an INDICATOR, SIGHT, LIQUID.

Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments - United Kingdom (UK)

Federal Supply Class (FSC): 6680

NATO Supply Classification Class (NSC): 6680

Federal Supply Group (FSG): 66 Instruments and Laboratory Equipment

NATO Supply Classification Group (NSG): 66 Instruments and Laboratory Equipment

Items Managed by United Kingdom (UK) - NCB is 99

Page 15 of 35

NSN Format for Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Codified by United Kingdom

66	80	99	XXX
Group FSG	Class	NCB	Identifier
FSC Federal Supply Class		NIIN
NSN

NATO Supply Class 6680 is a classification within NATO Supply Group 66, which is dedicated to Instruments And Laboratory Equipment.

NATO Supply Class 6680 specifically focuses on Liquid And Gas Flow, Liquid Level, And Mechanical Motion Measuring Instruments. This class includes a wide range of instruments used for measuring and monitoring various aspects related to liquid and gas flow, liquid level, and mechanical motion.

Some examples of instruments that fall under this class include flow meters, level sensors, pressure gauges, flow switches, tachometers, and speed sensors. These instruments are used in various industries such as manufacturing, oil and gas, chemical processing, and water treatment.

The purpose of these instruments is to accurately measure and monitor the flow rates of liquids and gases, determine the level of liquids in tanks or containers, and measure the mechanical motion of machinery or equipment. This information is crucial for maintaining efficient operations, ensuring safety, and optimizing processes.

NATO Supply Class 6680 plays a vital role in providing the necessary instruments for industries and organizations to effectively measure and monitor liquid and gas flow, liquid level, and mechanical motion.

FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments - United Kingdom (UK)

Includes Liquid Level Float Instruments; Revolution Counters; Speedometers; Rotation Measuring Instruments and Apparatus; Oxygen Flow Indicators; Tachometers, including Engine Tachometers.

Excludes Combination Instruments; (FSC 6695); Meteorological Instruments (FSC 6660); and Automatic Control Valves (FSG 48).

Note-Infrared assemblies (including sub-assemblies and components) designed specifically for use as or with instruments and laboratory equipment are included in the classes of this group. Also included are computers (including computer assemblies, computer systems and components) designed specifically for use with instruments and laboratory equipment.

Frequently Asked Questions(FAQ) for Federal Supply Class 6680

Supply Items Included in Federal Supply Class 6680

Stock Items From Supply Class 6680 Page 15 of 35